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  2. Packet Tracer - Wikipedia

    en.wikipedia.org/wiki/Packet_Tracer

    Packet Tracer is a cross-platform visual simulation tool designed by Cisco Systems that allows users to create network topologies and imitate modern computer networks.The software allows users to simulate the configuration of Cisco routers and switches using a simulated command line interface.

  3. RANCID (software) - Wikipedia

    en.wikipedia.org/wiki/RANCID_(software)

    RANCID (Really Awesome New Cisco confIg Differ) is a network management application released under a BSD-style license. [1] RANCID uses Expect to connect to the routers, send some commands and put the results in files.

  4. Switch virtual interface - Wikipedia

    en.wikipedia.org/wiki/Switch_virtual_interface

    Provide Layer 3 IP connectivity to the switch. Support bridging configurations and routing protocol. Access Layer - 'Routed Access' Configuration (in lieu of Spanning Tree) SVIs advantages include: Much faster than router-on-a-stick, because everything is hardware-switched and routed. No need for external links from the switch to the router for ...

  5. Cisco Express Forwarding - Wikipedia

    en.wikipedia.org/wiki/Cisco_Express_Forwarding

    Cisco Express Forwarding (CEF) is an advanced layer 3 switching technology used mainly in large core networks or the Internet to enhance the overall network performance. . Although CEF is a Cisco proprietary protocol other vendors of multi-layer switches or high-capacity routers offer a similar functionality where layer-3 switching or routing is done in hardware (in an ASIC) instead of by ...

  6. List of router and firewall distributions - Wikipedia

    en.wikipedia.org/wiki/List_of_router_and...

    Linux-based router project supporting a large set of layer-1 technologies (e.g. Ethernet LAN, Wireless LAN, ISDN, DSL, UMTS), layer-3 protocols and functionality (IPv4, IPv6, stateful packet filter), and various network-related functionality (e.g. Bridging, Bonding, VLANs; DNS, DHCPv4, DHCPv6, IPv6 RA; PPP (client+server), PPTP (client+server ...

  7. Enhanced Interior Gateway Routing Protocol - Wikipedia

    en.wikipedia.org/wiki/Enhanced_Interior_Gateway...

    The protocol was designed by Cisco Systems as a proprietary protocol, available only on Cisco routers. In 2013, Cisco permitted other vendors to freely implement a limited version of EIGRP with some of its associated features such as High Availability (HA), while withholding other EIGRP features such as EIGRP stub, needed for DMVPN and large ...

  8. Hierarchical internetworking model - Wikipedia

    en.wikipedia.org/wiki/Hierarchical...

    End-stations and servers connect to the enterprise at the access layer. Access layer devices are usually commodity switching platforms, and may or may not provide layer 3 switching services. The traditional focus at the access layer is minimizing "cost-per-port": the amount of investment the enterprise must make for each provisioned Ethernet ...

  9. Router on a stick - Wikipedia

    en.wikipedia.org/wiki/Router_on_a_stick

    Router R1 is a one-armed router carrying out inter-VLAN routing. A router on a stick, also known as a one-armed router, [1] [2] is a router that has a single physical or logical connection to a network. It is a method of inter-VLAN routing where one router is connected to a switch via a single cable. The router has physical connections to the ...